5.3K Adding and Subtracting Rational Numbers

Jenny cut 6 $\frac{1}{2}$ inches off of her hair that was originally 15 inches long. How long is Jenny's hair after she cut it?

(Write your answer as a decimal number).

Alex added 7 to the product of 5 and 6. What was his sum?

Miss Popelar walks her dog 2.75 miles on Monday and $\frac{1}{4}$ of a mile on Wednesday. How much further did she walk her dog on Monday than Wednesday?

(Write your answer as a decimal number).

Write $\frac{3}{4}$  as a decimal number.

Regina, Todd, and Maggie each create a model for science.

- Regina's model weighs 6.2 pounds.
- Todd's model weighs 1 $\frac{9}{10}$  pounds.

- Maggie's model weighs 3.5 pounds.

How much more does Regina's model weigh than Todd's and Maggie's models combined? 

(Write your answer as a decimal number).

Piper has two sunflowers growing in her backyard. One sunflower is 6 $\frac{1}{2}$ ft, and the other sunflower is 8 $\frac{1}{4}$  ft. What is the difference in feet between these two flowers?

(Write your answer as a decimal number).

Milton brings juice for a class party.

- He brings 2 gallons of orange juice.
- He brings 1.4 gallon of grape juice.
- He brings $\frac{2}{5}$  gallons of apple juice.

How many total gallons of juice does Milton bring to the party? 

(Write your answer as a decimal number).

A baker has 4.6 pounds of flour and $\frac{4}{5}$ pound of butter. How many more pounds of flour than butter does the baker have? 

(Write your answer as a decimal number).

Convert $\frac{5}{2}$ to a decimal number. 

Find the difference between 1,047,232 and 669,741.